We would like to upgrade our network to windows 10. I am wondering what the best process is to do this. We have about 150 workstations on our network.

I have updated a couple workstations (via same CD) using the upgrade process and I have noticed that all of the Product Keys are the exact same. Is this normal? With that being said, are we able to create an image of a fresh install and deploy it onto all the computers on our network with this key? This would be ideal as we would like to deploy clean images to all of our users as routine maintenance.

I normally enter the OEM key on the workstation for Windows 7 Pro, so any information is useful. :)

Sounds like Volume Licensing to me. If Volume licensing is the case then yes you would be able to create an image and deploy it to all the work stations.

We just upgraded our work stations to windows 10 and we had to do them all manually. We only had about 7 PC's. However each of our key's is different. Sounds like your CD is using the same key for each computer. I would triple check to make sure that CD is set for volume licensing.

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As others have said, you can't do that with imaging. You need at least 1 VL License for imaging.

Instead, try the WSUS Approach. I will give you the relevant information from my WSUS Setup guide. Remember, only Windows Server 2012 and 2012 R2 WSUS will allow you to roll the upgrade through wsus. Otherwise, you're looking at multiple USB Sticks for media, and a bunch of time to do them.

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If you are going to deploy upgrades either to Windows 10 from an earlier Operating System (Windows 7/8) or from Windows 10 to Windows 10 latest streams, in Products/Classifications, make sure to check of the Upgrades box or Windows 10 will not be available to deploy. You also will need to add a MIME type for *.esd as application/octet-stream at the top level in IIS. If you will be upgrading Windows 7 or Windows 8 systems to Windows 10, you will also need 3 Registry edits on each of the machines you want to upgrade to Windows 10. The easiest is a Group Policy Preferences (GPP) Registry Update with the following keys:

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Sounds like Volume Licensing to me. If Volume licensing is the case then yes you would be able to create an image and deploy it to all the work stations.

That's not accurate. For the free upgrade to 10 you need to upgrade each PC first. Then, if you have a VL of 10, you can image / deploy over that for a nice fresh image. You cannot simply image / deploy over 7 if you want it to be free.

You can, of course, purchase Windows 10 VLs for all of your machines and then image / deploy directly onto them.

Sounds like Volume Licensing to me. If Volume licensing is the case then yes you would be able to create an image and deploy it to all the work stations.

That's not accurate. For the free upgrade to 10 you need to upgrade each PC first. Then, if you have a VL of 10, you can image / deploy over that for a nice fresh image. You cannot simply image / deploy over 7 if you want it to be free.

You can, of course, purchase Windows 10 VLs for all of your machines and then image / deploy directly onto them.